sun-java5-plugin is not supported by FF3.6 (that was mentioned in the release notes section of the USN, and is also mentioned in the firefox changelog)
sun-java6-plugin should be working fine, but you might have another java plugin on your system that the alternatives system is pointing to instead. Could you please post the output "update-alternatives --display mozilla- javaplugin.so"? (Also, feel free to post the same output for xulrunner- javaplugin.so and firefox-javaplugin.so) ** Changed in: firefox-3.0 (Ubuntu) Importance: Undecided => High ** Changed in: firefox-3.0 (Ubuntu) Status: New => Incomplete -- [Hardy] Firefox upgrade to 3.6.6 breaks Java plugin https://bugs.launchpad.net/bugs/600642 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs